CN104556888B - A kind of asphalt and preparation method thereof - Google Patents
A kind of asphalt and preparation method thereof Download PDFInfo
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- CN104556888B CN104556888B CN201310495650.3A CN201310495650A CN104556888B CN 104556888 B CN104556888 B CN 104556888B CN 201310495650 A CN201310495650 A CN 201310495650A CN 104556888 B CN104556888 B CN 104556888B
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Abstract
The invention discloses a kind of asphalt and preparation method thereof, especially a kind of anti-rut, anti-asphalt of embracing and preparation method thereof. Asphalt of the present invention, comprises following component with the weight percent meter of asphalt: special bi tumenf orr oad 4.0%～6.0%, and cement 1.0%～3.0%, breeze 1.0%～3.0%, gathers materials 88.0%～94.0%; Preparation method is as follows: (1) by stirred tank and gathering materials be heated to 130～180 DEG C for subsequent use, special bi tumenf orr oad is heated to molten condition for subsequent use; (2) gathering materials, cement, breeze adds in stirred tank simultaneously, stir; (3) special bi tumenf orr oad is added in stirred tank, with mix gathers materials uniformly in advance in stirred tank, cement, breeze stirs, obtain asphalt. In asphalt of the present invention owing to having used special bi tumenf orr oad, compound rut dynamic stability is significantly improved, can obviously improve the anti-rut performance of bituminous paving, be particularly useful for the easily bituminous highway of generation rut of heavy traffic flow or south China high temperature area.
Description
Technical field
The present invention relates to a kind of asphalt and preparation method thereof, especially a kind of anti-rut, anti-pitch of embracing mixClose material and preparation method thereof.
Background technology
Due to maximization and the overload of carrier, cause bituminous paving generation rut and embrace phenomenon being on the rise; FromItself, 60 DEG C of viscosity of pitch are on the low side is also one of reason causing this breakoff phenomenon to cementitious matter. 60 DEG C of pitch are stickyDegree is as characterizing one of index of asphalt high-temperature stability, can simulate well bituminous paving summer road table temperature reach 60When DEG C high temperature, the resistance to flow energy of pitch. " road oil drop in " standard specification for construction and acceptance of highway asphalt pavement " that Ministry of Communications promulgatesBlue or green technical requirement " 60 DEG C of dynamic viscosities of road asphalt have formally been classified as to road asphalt technical target of the product. Therefore, how to haveEffect ground improves 60 DEG C of dynamic viscosities of bi tumenf orr oad and seems particularly important.
For improving 60 DEG C of dynamic viscosities of pitch, improve the high-temperature stability of pitch, Unexamined Patent 8-12977,CN1289818A, CN1076386C etc. adopt oxidation or half method for oxidation, at a certain temperature, and by pass into sky in pitchGas, makes the reactions such as pitch is oxidized, polymerization, has changed the composition structure of pitch, has realized the object that improves asphalt viscosity. SoAnd bituminous paving is with the increase of service life, asphalt component wherein can be aging because of illumination, character variation, and road conditions quality becomesBad. Be actually a kind of asphalt component aging process in advance before being applied to road that makes and adopt oxidizing process to produce pitch,In having improved pitch serviceability, also can shorten the service life of pitch on road surface, and oxidizing process is produced pitchMeeting big energy-consuming, and produce more waste gas, health and environment to people cause adverse effect.
CN97116936.5 provides the production method of the heavy duty road asphalt that a kind of 60 DEG C of viscosity are higher. This pitch byOman's straight asphalt, after propane de-oiling PROCESS FOR TREATMENT, then through half oxidation technology processing, is taked solvent extraction and half oxidizing processIn conjunction with preparing asphaltum with high viscosity, but the method complex process, extractive process needs a large amount of solvents, and operating pressure is larger, solventAlso hold fire hazardous; Oxidizing process can produce large quantity of exhaust gas equally, causes air pollution.
CN201210561929.2 discloses a kind of asphalt caulk, comprising: potassium chloride, metanitrophenol, anthraquinone, dodecylBenzene sulfonic acid sodium salt, etamon chloride, hexadecyltri-n-butylphosp, the bromo-n-butyl alcohol of 4-, diethylamino ethanol caproate, threeAcetyl fluoride acetone praseodymium. Although used anthraquinone in this patent, this patent object is to prepare asphalt caulk, instead of for improving60 DEG C of viscosity of road pitch.
CN201110441529.3 the invention discloses a kind of high-viscosity modified asphalt, by common A level pitch, thermoplastic elastomehcGonosome, high-phenylethylene, bulking agent, stabilizing agent composition, obtain 60 DEG C of viscosity through processing steps such as swelling, shearing or grinding, growthsHigher modified pitch. But the method is comparatively harsh to equipment requirement, and material and facility investment is higher, can increase considerably production, after long-time storage, easily there is laminated segregation phenomenon in cost, and the storage stability of product existing problems.
Summary of the invention
The rut that not up to standard and bituminous paving occurs for 60 DEG C of viscosity of road asphalt in prior art and embrace problem,The invention provides a kind of asphalt and preparation method thereof, can improve anti-rut and anti-the embracing property of asphaltEnergy. Asphalt of the present invention adopts special bi tumenf orr oad, because special bi tumenf orr oad used has higher60 DEG C of dynamic viscosities, when with gather materials, cement, breeze etc. is in conjunction with being prepared into asphalt, can obviously improve the anti-car of bituminous pavingRut and the anti-performance of embracing.
Asphalt of the present invention, comprises following component with the weight percent meter of asphalt:
Special bi tumenf orr oad 4.0%～6.0%
Cement 1.0%～3.0%
Breeze 1.0%～3.0%
Gather materials 88.0%～94.0%;
Wherein said special bi tumenf orr oad, according to mass percent meter, comprises following component:
Matrix pitch 95%～99.9%, preferably 96.0%～99.8%;
Quinones 0.1%～5%, preferably 0.2%～4%.
Matrix pitch used comprises the asphalt of being produced by various crude oil and different process, as decompression residuum, straight runOne or more in pitch, de-oiled asphalt or blend asphalt, the needle penetration of matrix pitch can be 40～1401/10mm.
Quinones used is one or more in benzoquinones, naphthoquinones, phenanthrenequione or anthraquinone, is selected from 1,4-benzoquinone, adjacent benzeneQuinone, α-(1,4) naphthoquinones, β-(1,2) naphthoquinones, to one or more in phenanthrenequione, adjacent phenanthrenequione, α position anthraquinone and β position anthraquinone, preferablyPhenanthrenequione and/or anthraquinone.
The preparation method of the present invention's special bi tumenf orr oad used, comprises following content: matrix pitch is heated toMolten condition, adds quinones in matrix pitch to, after treating that quinones interpolation is complete, continues stirring reaction oneThe section time, obtain bi tumenf orr oad; Wherein preparation process is carried out under stirring condition, and mixing speed is 800～1500rpm.
Wherein, to be heated to the temperature of molten condition be 110～150 DEG C to described matrix pitch.
The mode slowly adding is taked in the interpolation of described quinones, and interpolation speed is carried out reasonably according to additionAdjust, quinones is dispersed in pitch, the interpolation time is generally 2 ~ 15 minutes; Quinones adds completeAfterwards, the reaction time of quinones and matrix pitch is 40 ~ 80 minutes.
The special bi tumenf orr oad of the present invention, can also add as required pitch to increase and prolong agent, and it is passable that agent is prolonged in selected increasingProlong agent for commercially available prod or self-control pitch increase, increasing the addition that prolongs agent is 1%～5% of bi tumenf orr oad gross weight, road stoneThe each constituent content sum of oil asphalt is 100%.
Described pitch increases the preparation method who prolongs agent, comprises following content: increase and prolong agent gross weight as benchmark, at chaff taking pitchAldehyde is extracted out in oil and is added 30%～60% rubber, at 130～160 DEG C of temperature, shears and disperses 60 ~ 120 points with cutterClock, then swelling growth 4 ~ 12 hours at 130～160 DEG C of temperature. Wherein, rubber raw materials used is graininess butadiene-styrene rubberOr block butadiene-styrene rubber, block butadiene-styrene rubber needs to be broken into the particle that diameter is 5～20mm before using.
Asphalt of the present invention, used gathering materials is the one during limestone, basalt, andesite or granite gather materialsOr several, proportioning meets any one in close-graded AC-10, AC-13, AC-16 or AC-20.
Asphalt of the present invention, cement used is portland cement, strength grade is 42.5,42.5R, 52.5,52.5R, 62.5 or 62.5R in any one.
Asphalt of the present invention, breeze used is to be ground and formed by ore, particle diameter requires to be less than the component of 0.075mmProportion is greater than 70%.
Asphalt of the present invention, the preparation method of asphalt comprises following content: (1) adds stirred tank with gathering materialsHeat to 130～180 DEG C for subsequent use, special bi tumenf orr oad is heated to molten condition for subsequent use, temperature is generally 110～150 DEG C;(2) gathering materials, cement, breeze adds in stirred tank simultaneously, mix; (3) special bi tumenf orr oad is added to and stirredMix in still, with mix gathers materials uniformly in advance in stirred tank, cement, breeze mixes, obtain asphalt of the present invention.
Compared with prior art, tool has the following advantages in the present invention:
(1) while preparing the present invention's special bi tumenf orr oad used, the quinones of interpolation can with asphaltene moleculeThere is chemical reaction, make the little molecule in pitch be combined into large molecule, increase pitch studies on asphaltene content, thereby effectively improve drop60 DEG C of blue or green viscosity, improve anti-rut performance;
(2), while preparing the present invention's special bi tumenf orr oad used, quinones and the asphalt of interpolation haveWell compatibility, product is good in storage stability;
(3) prepare the production technology of the present invention's special bi tumenf orr oad used simple, easy operating, cost is low, does not haveThere is tail gas to produce, not contaminated air.
(4) in asphalt of the present invention owing to having used special bi tumenf orr oad, make compound rut dynamic stabilitySignificantly improve, can effectively improve the anti-rut of bituminous paving and resist and embrace performance, be particularly useful for heavy traffic flow or south ChinaEasily there is the bituminous highway of rut in high temperature area.
Detailed description of the invention
Describe technical scheme of the present invention in detail below in conjunction with embodiment, but the invention is not restricted to following examples.
Embodiment 1
Take decompression residuum (needle penetration the is 1381/10mm) 99.8kg of Panjin pitch factory production as matrix pitch,Be heated to 110 DEG C; Take phenanthrenequione 0.2kg. Set speed of agitator 1400rpm, slowly by phenanthrenequione is added in pitch, treatAfter phenanthrenequione is all added, stir 40 minutes, obtain the present invention's special bi tumenf orr oad used. Asphaltic nature is in Table1。
In advance special asphalt stirred tank is heated to 130 DEG C of constant temperature; The Liaoyang andesite preparation staged that gathers materialsJoin for AC-10 gathers materials, gross weight is 88kg, be heated to 130 DEG C for subsequent use; Take above-mentioned special bi tumenf orr oad 6.0kg, heatingFor subsequent use to 110 DEG C; Take respectively cement, the each 3.0kg of breeze. Until stirred tank, gather materials, asphalt temperature constant after, by above-mentionedly gathering materials,Cement, breeze add in stirred tank together, stir 2 minutes; Then above-mentioned load weighted special bi tumenf orr oad is addedIn stirred tank, stir 3 minutes, obtain asphalt of the present invention. Asphalt of the present invention is prepared into various pitch mixedClose material test specimen, carry out performance of asphalt mixture evaluation experimental. Asphalt Mixture of the present invention is in table 2.
Embodiment 2
Take blend asphalt (needle penetration the is 1121/10mm) 97.7kg of Yingkou pitch factory production as matrix pitch,Be heated to 120 DEG C; Take adjacent benzoquinones 1.0kg, α position anthraquinone 0.9kg, adjacent phenanthrenequione 0.4kg, set speed of agitator 1000rpm,Slowly above-mentioned quinones is added in pitch, both can add respectively, after also can mixing, add. Treat all to have addedBi Hou, stirs 70 minutes, obtains bi tumenf orr oad of the present invention. Asphaltic nature is in table 1.
In advance special asphalt stirred tank is heated to 150 DEG C of constant temperature; Tieling basalt aggregate preparation stagedJoin for the gathering materials of AC-16, gross weight is 94kg, be heated to 150 DEG C for subsequent use; Take above-mentioned special bi tumenf orr oad 4.0kg, addHeat is for subsequent use to 120 DEG C; Take respectively cement, the each 1.0kg of breeze. Until stirred tank, gather materials, asphalt temperature constant after, by above-mentioned collectionMaterial, cement, breeze add in stirred tank together, stir 2 minutes; Then above-mentioned load weighted special bi tumenf orr oad is addedBe added in stirred tank, stir 3 minutes, obtain asphalt of the present invention. Asphalt of the present invention is prepared into various pitchCompound test specimen, carries out performance of asphalt mixture evaluation experimental. Asphalt Mixture of the present invention is in table 2.
Embodiment 3
Take straight asphalt (needle penetration the is 961/10mm) 98.5kg of Qilu Petrochemical Company's production as matrix pitch,Be heated to 130 DEG C; Take α-(1,4) naphthoquinones 0.5kg and β position anthraquinone 1.0kg, set speed of agitator 1100rpm, slowly by α-(1,4) naphthoquinones and β position anthraquinone add in pitch, and the two both can add respectively, after also can mixing, add. Treat whole interpolationsAfter, stir 60 minutes, obtain bi tumenf orr oad of the present invention. Asphaltic nature is in table 1.
In advance special asphalt stirred tank is heated to 160 DEG C of constant temperature; Fushun limestone aggregates preparation stagedJoin for AC-13 gathers materials, gross weight is 91kg, be heated to 160 DEG C for subsequent use; Take above-mentioned special bi tumenf orr oad 5.0kg, heatingFor subsequent use to 130 DEG C; Take respectively cement, the each 2.0kg of breeze. Until stirred tank, gather materials, asphalt temperature constant after, by above-mentionedly gathering materials,Cement, breeze add in stirred tank together, stir 2 minutes; Then above-mentioned load weighted special bi tumenf orr oad is addedIn stirred tank, stir 3 minutes, obtain asphalt of the present invention. Asphalt of the present invention is prepared into various pitch mixedClose material test specimen, carry out performance of asphalt mixture evaluation experimental. Asphalt Mixture of the present invention is in table 2.
Embodiment 4
Pitch increases the preparation of prolonging agent: increase and prolong agent gross weight as benchmark taking pitch, add 40% rubber in furfural extract oilParticle is sheared and is disperseed 100 minutes with cutter at 145 DEG C of temperature, then swelling growth 6 hours at 145 DEG C of temperature,Obtain pitch increasing and prolong agent.
Take deasphalt of propane (needle penetration the is 451/10mm) 95kg of Refinery of Maoming Petrochemical Corporation's production as matrix dropGreen grass or young crops, is heated to 150 DEG C; Taking the increasing preparing prolongs agent 1kg and adds in advance in pitch; Take 1,4-benzoquinone 4kg. Setting is stirredMix rotating speed 800rpm, slowly 1,4-benzoquinone is added in pitch, after treating that 1,4-benzoquinone all adds, stir 80 minutes, obtainBi tumenf orr oad of the present invention. Asphaltic nature is in table 1.
In advance special asphalt stirred tank is heated to 180 DEG C of constant temperature; Fushun limestone aggregates preparation stagedJoin for AC-13 gathers materials, gross weight is 91kg, be heated to 180 DEG C for subsequent use; Take above-mentioned special bi tumenf orr oad 5.0kg, heatingFor subsequent use to 150 DEG C; Take respectively cement, the each 2.0kg of breeze. Until stirred tank, gather materials, asphalt temperature constant after, by above-mentionedly gathering materials,Cement, breeze add in stirred tank together, stir 2 minutes; Then above-mentioned load weighted special bi tumenf orr oad is addedIn stirred tank, stir 3 minutes, obtain asphalt of the present invention. Asphalt of the present invention is prepared into various pitch mixedClose material test specimen, carry out performance of asphalt mixture evaluation experimental. Asphalt Mixture of the present invention is in table 2.
Comparative example 1
In advance special asphalt stirred tank is heated to 160 DEG C of constant temperature; Fushun limestone aggregates preparation stagedJoin for AC-13 gathers materials, gross weight is 91kg, be heated to 160 DEG C for subsequent use; Take the straight asphalt (pin that Qilu Petrochemical Company producesIn-degree is 961/10mm) 5.0kg, be heated to 130 DEG C for subsequent use; Take respectively cement, the each 2.0kg of breeze. Treat stirred tank, gather materials,After asphalt temperature is constant, by above-mentionedly gathering materials, cement, breeze adds in stirred tank together, stir 2 minutes; Then by above-mentioned titleMeasured straight asphalt adds in stirred tank, stirs 3 minutes, obtains asphalt. Asphalt is prepared into variousBitumen mixture specimen, carries out performance of asphalt mixture evaluation experimental. Properties of Asphalt Mixture is in table 2.
Comparative example 2
In advance special asphalt stirred tank is heated to 180 DEG C of constant temperature; Fushun limestone aggregates preparation stagedJoin for AC-13 gathers materials, gross weight is 91kg, be heated to 180 DEG C for subsequent use; Take the deasphalt of propane that Refinery of Maoming Petrochemical Corporation produces(needle penetration is 451/10mm) 5.0kg, be heated to 150 DEG C for subsequent use; Take respectively cement, the each 2.0kg of breeze. Treat stirred tank, collectionAfter material, asphalt temperature are constant, by above-mentionedly gathering materials, cement, breeze adds in stirred tank together, stir 2 minutes; Then by above-mentionedLoad weighted deasphalt of propane adds in stirred tank, stirs 3 minutes, obtains asphalt. Prepared by asphaltBecome various bitumen mixture specimens, carry out performance of asphalt mixture evaluation experimental. Properties of Asphalt Mixture is in table 2.
The character of table 1 embodiment bi tumenf orr oad and matrix pitch.
[1] JTGF40-2004 " standard specification for construction and acceptance of highway asphalt pavement ".
Table 2 asphalt proportioning and character.
[1] JTGF40-2004 " standard specification for construction and acceptance of highway asphalt pavement ".
Claims (11)
1. an asphalt, is characterized in that, with compound weight percent meter, comprising following component:
Special bi tumenf orr oad 4.0%～6.0%
Cement 1.0%～3.0%
Breeze 1.0%～3.0%
Gather materials 88.0%～94.0%;
Wherein said special bi tumenf orr oad, comprises following component by percentage to the quality:
Matrix pitch 95%～99.9%;
Quinones 0.1%～5%.
2. according to asphalt claimed in claim 1, it is characterized in that: matrix pitch used is decompression residuum, straight runOne or more in pitch, de-oiled asphalt or blend asphalt, the needle penetration of matrix pitch is 40～1401/10mm.
3. according to asphalt claimed in claim 1, it is characterized in that: quinones used is benzoquinones, naphthoquinones, phenanthreneOne or more in quinone or anthraquinone.
4. according to asphalt claimed in claim 1, it is characterized in that: the quinones chemical combination that special bi tumenf orr oad is usedThing is selected from 1,4-benzoquinone, adjacent benzoquinones, α-(1,4) naphthoquinones, β-(1,2) naphthoquinones, in phenanthrenequione, adjacent phenanthrenequione, α position anthraquinone and β position anthraquinoneOne or more.
5. according to asphalt claimed in claim 1, it is characterized in that: the preparation method of special bi tumenf orr oad comprisesFollowing content: matrix pitch is heated to molten condition, quinones is added in matrix pitch, treat that quinones addsAdd complete after, continue stirring reaction a period of time, obtain bi tumenf orr oad.
6. according to asphalt claimed in claim 5, it is characterized in that: prepare in special bi tumenf orr oad process quinoneAfter compounds interpolation is complete, the reaction time of quinones and matrix pitch is 40 ~ 80 minutes.
7. according to asphalt claimed in claim 1, it is characterized in that: in special bi tumenf orr oad used, add dropBlue or green increasing prolongs agent, and it is that agent is prolonged in commercially available prod or the increasing of self-control pitch that agent is prolonged in selected increasing, and the addition that agent is prolonged in increasing is bi tumenf orr oad1%～5% of gross weight; Described self-control pitch increases the preparation method who prolongs agent, comprises following content: increase and prolong agent gross weight with pitchFor benchmark, in furfural extract oil, add 30%～60% rubber, at 130～160 DEG C of temperature, shear point with cutterLoose 60 ~ 120 minutes, then swelling growth 4 ~ 12 hours at 130～160 DEG C of temperature, obtained pitch and increases and prolong agent.
8. according to asphalt claimed in claim 1, it is characterized in that: used gathering materials is limestone, basalt, An ShanOne or more during rock or granite gather materials, proportioning meets any one in close-graded AC-10, AC-13, AC-16 or AC-20Kind.
9. according to asphalt claimed in claim 1, it is characterized in that: cement used is portland cement, intensity etc.Level is 42.5,42.5R, 52.5,52.5R, 62.5 or 62.5R in any one.
10. according to asphalt claimed in claim 1, it is characterized in that: breeze used is to be ground and formed by ore, grainFootpath requires the component proportion that is less than 0.075mm to be greater than 70%.
The preparation method of the asphalt described in the arbitrary claim of 11. claim 1 ~ 10, comprises following content: (1) willStirred tank and gathering materials be heated to 130～180 DEG C for subsequent use, special bi tumenf orr oad is heated to molten condition for subsequent use; (2) collectionMaterial, cement, breeze add in stirred tank simultaneously, mix; (3) special bi tumenf orr oad is added in stirred tank,With mix gathers materials uniformly in advance in stirred tank, cement, breeze mixes, obtain asphalt.
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| CN105271949A (en) * | 2015-11-17 | 2016-01-27 | 江苏中路新材料科技发展有限公司 | Design method and preparing method for dense-gradation ultrathin paving asphalt mixture and application of asphalt mixture |
| CN105906237A (en) * | 2016-04-27 | 2016-08-31 | 吉林省交通科学研究所 | Pavement material of bituminous mixture prepared from oil shale power-plant ash |
| CN107523073A (en) * | 2016-06-17 | 2017-12-29 | 中国石油化工股份有限公司 | A kind of Warm-mix hard asphalt, contain its compound and preparation method thereof |
| CN106398249A (en) * | 2016-09-30 | 2017-02-15 | 华北水利水电大学 | Road petroleum asphalt and preparation method thereof |
| CN107352853B (en) * | 2017-08-23 | 2020-01-10 | 盐城工学院 | Nickel slag asphalt mixture and preparation method thereof |
| CN108298871B (en) * | 2018-02-06 | 2021-04-23 | 招商局重庆交通科研设计院有限公司 | Asphalt mixture and preparation method thereof |
| CN111548058B (en) * | 2020-06-28 | 2021-11-30 | 江苏天诺环境工程技术开发有限公司 | High-performance asphalt cold-patch material based on acidic stone and preparation method thereof |
| CN114163164B (en) * | 2020-09-11 | 2023-03-24 | 中国石油化工股份有限公司 | Color-paving cementing material preparation method, color-paving cementing material prepared by same and application of color-paving cementing material |
| CN112194414B (en) * | 2020-09-24 | 2022-04-22 | 华南理工大学 | High-ductility concrete material and preparation method thereof |
| CN114436568B (en) * | 2020-10-16 | 2023-11-10 | 中国石油化工股份有限公司 | Asphalt mixture and preparation method and application thereof |
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